Toyota Sienna Service Manual: Air conditioning pressure sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C PRESSURE SENSOR
(a) Install the manifold gauge set.
(b) Disconnect the connector from the A/C pressure sensor.
(c) Connect the three 1.5 V dry cell batteries' positive (+) lead to terminal 3 and the negative (-) lead to terminal 1.
(d) Connect the voltmeter's positive (+) lead to terminal 2 and the negative (-) lead to terminal 1.
(e) Measure the voltage according to the value(s) in the table below.
Standard voltage 
If the result is not as specified, replace the A/C pressure sensor.
Evaporator temperature sensor (for rear air conditioning system)
ON-VEHICLE INSPECTION
1. INSPECT REAR A/C EVAPORATOR TEMPERATURE SENSOR
(a) Remove the rear evaporator temperature sensor.
(b) Disconnect the connector from the rear evaporator
temperature s ...
Magnetic clutch relay
ON-VEHICLE INSPECTION
1. INSPECT MAGNETIC CLUTCH RELAY
(a) Remove the magnetic clutch relay.
(b) Measure the resistance according to the value(s) in
the table below.
Standard resistance
I ...
Other materials:
Lost Communication with Cruise Control Front
Distance Range Sensor
DTC U0235 Lost Communication with Cruise Control Front
Distance Range Sensor
DESCRIPTION
The laser sensor and distance control ECU transmit the data for general
vehicle control and diagnosis
function along the communication line. The laser sensor transmits information
about the vehicle in fr ...
Disassembly
1. REMOVE FRONT DIFFERENTIAL RING GEAR
(a) Place the match-marks on the ring gear and
differential case.
(b) Remove the 16 bolts.
(c) Using a plastic hammer, tap ring gear to remove it
from the case.
2. REMOVE FRONT DIFFERENTIAL SIDE GEAR
(a) Remove the differential LH case fr ...
Throttle Actuator Control System
DTC P2111 Throttle Actuator Control System - Stuck Open
DTC P2112 Throttle Actuator Control System - Stuck
Closed
DESCRIPTION
The throttle actuator is operated by the ECM, and opens and closes the
throttle valve using the gears.
The opening angle of the throttle valve is detected by the Thr ...
